To glue homosote to plywood, what adhesive is best...wood glue?
Thanks,
George
Homasote is a paper product, plain old wood or carpenters glue is the best for this. Do not use caulking of any kind, it will not make a very good bond as it will not penetrate like the wood glues will. Caulking is better for non-porous surfaces like foam and track.
In this case you want a tight non-flexible bond as both materials will expand and contract quite a bit as compared to foam to plywood. Caulk will allow the materials to flex too much. It would also be a good idea to seal the homasote with paint or deck sealer.
Jay
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Ordinary yellow carpenter's or wood glue is best for this application because they are both porous materials. One could also use regular construction adhesive, but yellow glue is probably cheaper. Save the adhesive caulk for non-porous applications.
Different types of glues and adhesives are better suited for a spcific useage than others. A glue used for one purpose may not be suitable for a different application. For example, yellow glue is great for glue wood or other porous materials together. Not so good for gluing a nut tothe side of a board though. For example, I know someone who used yellow glue to glue two pieces of pink foam insulation together and then to a pieces of wood. A week later the glue between the foam still hadn't dried. And even after it had dried all you had to do was pry it apart with a putty knife - not a solid bond. Construction adhesive would have been a better choice.
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